Dell Inspiron 15 3520 Service Manual page 86

3. Remove the base cover.
4. Remove the 3-cell battery
5. Remove the M.2 2230 solid-state drive
6. Remove the memory modules.
7. Remove the wireless card.
8. Remove the fan.
9. Remove the heat sink.
10. Remove the display assembly.
About this task
The following image indicates the connectors on your system board.
1. Fan connector
3. eDP connector
5. Keyboard FFC connector
7. Battery connector
9. Touchpad FFC connector
11. Wireless connector
13. Solid-state drive connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
86 Removing and installing components
or 4-cell battery (whichever applicable).
or M.2 2280 solid-state drive (whichever applicable).
2. I/O board FFC connector
4. DC-in port connector
6. Keyboard-backlight FFC connector
8. Memory modules
10. Hard drive FFC connector
12. Speaker cable connector